VANGUARD INDEX FUNDS registered fund series on Form 485APOS, filed 2010-10-27. Featured series: Vanguard Extended Market Index Fund.
| Series | Class | Ticker | New |
|---|---|---|---|
| Vanguard Extended Market Index Fund | Institutional Shares | VIEIX | — |
| Vanguard Mid-Cap Index Fund | Institutional Shares | VMCIX | — |
| Vanguard Small-Cap Index Fund | Institutional Shares | VSCIX | — |
Vanguard Extended Market ETF, an exchange-traded share class of Vanguard Extended Market Stock Index Fund (the Fund), seeks to track the performance of a benchmark index that measures the investment return of small- and mid-capitalization stocks.